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CS5166 数据表(PDF) 4 Page - Cherry Semiconductor Corporation

部件名 CS5166
功能描述  5-Bit Synchronous CPU Controller with Power-Good and Current Limit
PDF  22 Pages
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制造商  CHERRY [Cherry Semiconductor Corporation]
网页  http://www.cherrycorp.com/
标志 CHERRY - Cherry Semiconductor Corporation

CS5166 数据表(HTML) 4 Page - Cherry Semiconductor Corporation

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4
Electrical Characteristics: 0˚C < TA < 70˚C; 0˚C < TJ < 125˚C; 8V < VCC < 14V; 2.0V DAC Code
(VID4 = VID3 = VID2 = VID1 =0, VID0 = 1), CGATE(H) = CGATE(L) = 3.3nF, COFF = 330pF, CSS= 0.1µF; Unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
s
Fault Protection continued
SS Comp Clamp Voltage
VFB = 2.7V, VSS = 0V
0.50
0.95
1.10
V
VFB Low Comparator
Increase VFB till normal off-time
0.9
1.0
1.1
V
s
PWM Comparator
Transient Response
VFB = 1.2V to 5V 500ns after GATE(H)
115
175
ns
(after Blanking time) to
GATE(H) = (VCC – 1V)
to 1V
Minimum Pulse Width
Drive VFB 1.2V to 5V upon GATE(H)
100
200
300
ns
(Blanking Time)
rising edge (> VCC – 1V), measure
GATE(H) pulse width
s
COFF
Normal Off-Time
VFB = 2.7V
1.0
1.6
2.3
µs
Extended Off-Time
VSS = VFB = 0V
5.0
8.0
12.0
µs
s
Time-Out Timer
Time-Out Time
VFB = 2.7V, Measure GATE(H)
10
30
50
µs
Pulse Width
Fault Duty Cycle
VFB = 0V
30
50
70
%
s
Voltage Identification DAC
Accuracy (all codes except 11111) Measure VFB = COMP, (COFF = Gnd)
-1.0
1.0
%
VID4 VID3 VID2 VID1VID0
25˚C ≤ TJ ≤ 125˚C, VCC = 12V
1
0
0
0
0
3.489
3.525
3.560
V
1
0
0
0
1
3.390
3.425
3.459
V
1
0
0
1
0
3.291
3.325
3.358
V
1
0
0
1
1
3.192
3.225
3.257
V
1
0
1
0
0
3.093
3.125
3.156
V
1
0
1
0
1
2.994
3.025
3.055
V
1
0
1
1
0
2.895
2.925
2.954
V
1
0
1
1
1
2.796
2.825
2.853
V
1
1
0
0
0
2.697
2.725
2.752
V
1
1
0
0
1
2.598
2.625
2.651
V
1
1
0
1
0
2.499
2.525
2.550
V
1
1
0
1
1
2.400
2.425
2.449
V
1
1
1
0
0
2.301
2.325
2.348
V
1
1
1
0
1
2.202
2.225
2.247
V
1
1
1
1
0
2.103
2.125
2.146
V
0
0
0
0
0
2.054
2.075
2.095
V
0
0
0
0
1
2.004
2.025
2.045
V
0
0
0
1
0
1.955
1.975
1.994
V
0
0
0
1
1
1.905
1.925
1.944
V



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